其扭力段由正四棱柱形改为正六棱柱形的，这样可以与有正内六角孔的风动扳手相插配使用，有提高工效的特点。
Therefore, the overthread screw tap can be matched with a pneumatic wrench having regular hexagonal holes via insertion, and the overthread screw tap has the advantage of high work efficiency.
包装形式有自立袋、手拎袋、枕形袋、折边袋、插角袋、四边封袋等的包装设备。
Packaging forms-bags, Shouling bags, pillow-shaped bags, Shebian bags, Chajia bags, and other packaging equipment quadrilateral road pockets.
包装形式有自立袋、手拎袋、枕形袋、折边袋、插角袋、四边封袋等的包装设备。
Packaging forms-bags, Shouling bags, pillow-shaped bags, Shebian bags, Chajia bags, and other packaging equipment quadrilateral road pockets.
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